<template>
<div class="icons">
    <swiper :options="swiperOption">
        <swiper-slide v-for="(page,index) of pages" :key=index>
            <div class="icon" v-for="(item, index) of page" :key=index>
                <div class="icon-img">
                    <img class="img_content" :src='item.imgUrl'  @click="onIOSFunction1('dfefe')">
                </div>
                <p class="icon-desc">{{item.desc}}</p>
            </div>
        </swiper-slide>
    </swiper>
</div>
</template>
<script>
//  调用 IOS 方法1
// eslint-disable-next-line no-unused-vars
export default {
  name: 'HomeIcons',
  props: {
    list: Array
  },
  data () {
    return {
      swiperOption: {
        pagination: '.swiper-pagination',
        loop: true,
        autoplay: false,
        initialSlide: 1,
        autoHeight: true
      }
    }
  },
  computed: {
    pages () {
      const pages = []
      this.list.forEach((item, index) => {
        const page = Math.floor(index / 8)
        if (!pages[page]) {
          pages[page] = []
        }
        pages[page].push(item)
      })
      return pages
    }
  },
  methods: {
    onIOSFunction1 (str) {
      window.webkit.messageHandlers.IOSTestFunction1.postMessage({msg: str})
    }
  },
  mounted () {
    // IOS 回调 onFunctionIOS 方法
    window.onFunctionIOS = function (str) {
      alert(str)
      return 'onFunctionIOS 方法已经调用完成'
    }
  }
}
</script>
<style lang="stylus" scoped>
@import '~styles/varibles.styl'
@import '~styles/mixins.styl'
.icons  >>> .swiper-container
    height: 0
    padding-bottom: 50%
    margin-top .1rem
.icon
    position relative
    overflow: hidden
    float : left
    width : 25%
    height : 0
    padding-bottom : 25%
.icon-img
    position : absolute
    top : 0
    left : 0
    right : 0
    bottom : .44rem
    box-sizing : border-box
    padding .1rem
    .img_content
        display block
        height : 100%
        margin : 0 auto
.icon-desc
    position absolute
    left 0
    right 0
    bottom 0
    line-height .44rem
    height .44rem
    color $darkTextColor
    text-align center
    ellipsis()

</style>
